US20170135103A1 - Antenna-based processing method and antenna-based processing device - Google Patents

Antenna-based processing method and antenna-based processing device Download PDF

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Publication number
US20170135103A1
US20170135103A1 US15/249,233 US201615249233A US2017135103A1 US 20170135103 A1 US20170135103 A1 US 20170135103A1 US 201615249233 A US201615249233 A US 201615249233A US 2017135103 A1 US2017135103 A1 US 2017135103A1
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Prior art keywords
feed point
target
metal antenna
target feed
frequency band
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Abandoned
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US15/249,233
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English (en)
Inventor
Bo Cheng
Kang Lu
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Le Holdings Beijing Co Ltd
Lemobile Information Technology (Beijing) Co Ltd
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Le Holdings Beijing Co Ltd
Lemobile Information Technology (Beijing) Co Ltd
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Assigned to LE HOLDINGS (BEIJING) CO., LTD., LEMOBILE INFORMATION TECHNOLOGY (BEIJING) CO., LTD. reassignment LE HOLDINGS (BEIJING) CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHENG, BO, LU, KANG
Publication of US20170135103A1 publication Critical patent/US20170135103A1/en
Abandoned legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/006—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
    • H01Q5/335—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors at the feed, e.g. for impedance matching
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0421—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with a shorting wall or a shorting pin at one end of the element

Definitions

  • the present disclosure generally relates to the field of wireless communication technology, in particular to an antenna-based processing method and an antenna-based processing device.
  • Antennas are unique components for connecting the mobile devices to a network, and play a role in sending and receiving signals, so that performance optimization of the antennas is becoming more and more important.
  • mobile devices are required to support greater of frequency bands to comply with people's communication requirements.
  • mobile phones due to the popularization of 4th generation mobile communication technology, mobile phones are required to support greater of frequency bands, and covering a dozen of frequency bands between 700 and 2700 MHz, such as the frequency band 2600 MHz, the frequency band 2500 MHz, the frequency band 2300 MHz, the frequency band 1900 MHz, the frequency band 1700 MHz, the frequency band 1800 MHz, frequency band 900 MHz, the frequency band 850 MHz, the frequency band 700 MHz, etc.
  • the design of the all-metal antennas is strictly limited to industrial design (ID) and mechanical strength, which prevents the patterns of non all-metal antennas from being designed via FPC or LDS; thus the sizes required by signal radiation at various frequency bands are difficult to achieve. Therefore, the efficiency of the all-metal antennas is low; the high, middle and low frequency bands are not balanced; namely the bandwidths are narrow.
  • An embodiment of the present disclosure discloses an antenna-based processing method and an antenna-based processing device to solve problems that all-metal antennas are low in efficiency and narrow in bandwidth.
  • an antenna-based processing method including:
  • the embodiment of the present disclosure further discloses an antenna-based mobile device, including: at least one processor; and a memory communicably connected with the at least one processor for storing instructions executable by the at least one processor, wherein execution of the instructions by the at least one processor causes the at least one processor to:
  • the present disclosure provides a computer program, including computer readable codes; when the computer readable codes are run on the mobile devices, the mobile devices carry out the antenna-based processing method.
  • the present disclosure provides a computer readable medium in which the computer program is saved.
  • the embodiment of the present disclosure has the following advantages:
  • FIG. 1 is a structure diagram of an all-metal mobile phone antenna.
  • FIG. 2 is a step flow chart of an antenna-based processing method according to a first embodiment of the present disclosure.
  • FIG. 3 is a feed point switching diagram according to a first embodiment of the present disclosure.
  • FIG. 4 is a schematic diagram of switching feed points according to a first embodiment of the present disclosure.
  • FIG. 5 is a step flow chart of an antenna-based processing method according to a preferable embodiment of the present disclosure.
  • FIG. 6 is a structure diagram of an antenna-based processing device according to the present disclosure.
  • FIG. 7 is a structure diagram of an antenna-based processing device according to a preferable embodiment of the present disclosure.
  • FIG. 8 is a schematic diagram of the mobile device for carrying out the method according to the present disclosure.
  • FIG. 9 is a schematic diagram for maintaining or carrying a program code memory cell according to the method of the present disclosure.
  • the performances of the all-metal antennas of the mobile device are guaranteed at the expense of ID, namely the performances of the antennas are guaranteed by increasing the clearance area of the antennas by increasing the widths of metal gaps.
  • the antennas must have a function of radiating outwards, but fully-sealed metal cases are not feasible. Therefore, in order that the all-metal cases have the radiation function of the antennas, the all-metal shells are usually slotted.
  • the mobile devices are also called running devices, flow devices, handheld devices, etc.
  • the mobile devices are computing devices, including but not limited to handheld game consoles, cell phones, mobile phones, tablet computers, etc. Users can access a variety of information via the mobile devices at any time and from anywhere.
  • the metal part of the back case of the all-metal mobile phone is the antennas.
  • the back case of the all-metal mobile phone must be slotted to create radiators of the antennas. Bigger all-metal mobile phone with a same screen size affects the appearance and user's experience.
  • FIG. 1 A structure diagram of an all-metal mobile phone antenna is shown in FIG. 1 .
  • the white part in FIG. 1 is a non-metal part, namely the slots, thus the radiators 102 - 1 and 102 - 2 of the antennas are formed.
  • the radiator 102 - 1 can be understood as a major antenna
  • the radiator 102 - 2 can be understood as a diversity antenna, namely an aux antenna, including but not limited to one or more of GPS antennas, Bluetooth antennas, WiFi antennas, FM headphone jack antennas and other antennas.
  • a reference ground 101 is connected with the radiator via a connection bar 103 . All-metal antennas are tuned according to positions and lengths of the connection bars of various parts as well as the widths of the slots.
  • the design of the all-metal antennas is strictly limited to the demands of industrial design and mechanical strength, the form is single, and the sizes required by the signal radiation at various frequency bands are difficult to achieve.
  • the all-metal antennas are narrow in bandwidth and low in efficiency. Therefore, the all-metal antennas become one of the design difficulties of the mobile devices.
  • one of the core ideas of the embodiment of the present disclosure is to change the positions on the all-metal back case where the radio-frequency signals are fed by switching the feed points of the antennas aiming at different frequency bands, namely changing the electrical lengths of the antennas, so that the metal antennas can achieve the sizes required by the signal radiation at various frequency bands, thereby receiving or sending the radio-frequency signals at the different frequency bands, improving the efficiency of the antennas, increasing the bandwidths of the antennas and achieving the purpose of optimizing the performances of the antennas.
  • the antenna-based processing method specifically includes: Step 201 : Monitoring network signals of mobile devices to determine frequency bands occupied by the network signals.
  • the mobile devices can change their working frequencies by tuning the antennas, so as to support different frequency bands.
  • the network signals connected to the mobile devices determine the working frequencies of the antennas of the mobile devices.
  • the frequency bands occupied by the network signals can be determined by monitoring the network signals connected with the mobile devices; namely, the working frequencies of the antennas of the mobile devices can be determined.
  • the frequency bands occupied by the network signals of the mobile devices can be determined by monitoring, and then the working frequencies at which the mobile devices send or receive the radio-frequency signals can be determined.
  • the mobile devices can receive or send the radio-frequency signals of the working frequencies by tuning the antennas of the mobile devices.
  • network signals occupy different frequency bands; such as the network signal GSM-850 occupies the frequency band 824-894 MHz, the network signal GSM-900 occupies the frequency band 890-960 MHz, the network signal DCS-1800 occupies the frequency band 1710-1880 MHz, PCS1900 occupies the frequency band 1850-1990 MHz, etc., which is not limited to the embodiment of the present disclosure.
  • Step 203 Determining target feed points to be connected with metal antennas according to the frequency bands.
  • the mobile devices can determine the feed points correspondingly connected to the frequency bands according to the preset feed points correspondingly connected to various frequency bands; the feed points correspondingly connected to the frequency bands are adopted as the target feed points, namely the target feed points to be connected with the metal antennas.
  • the mobile devices can configure a plurality of feed points, and the electrical lengths of the antennas corresponding to various feed points are different.
  • the electrical lengths of the antennas can be understood as ratios of the physical sizes to the radiated electromagnetic wavelengths of the antennas.
  • the electrical lengths of the antennas can be changed by connecting the metal antennas to different feed points, thereby achieving the sizes required by the signal radiation at various frequency bands; such as, the mobile devices can configure the feed point 1 to the frequency band 900 MHz, configure the feed point 2 to the frequency band 1800 MHz, configure the feed point 3 to the frequency band 1900 MHz, configure the feed point 4 to the frequency band 2500 MHz and so on.
  • the mobile devices can configure the number of the feed points and the frequency bands corresponding to various feed points according to the frequency bands of the signals supported by the mobile devices, but this is not limited to the embodiment of the present disclosure.
  • the method further includes: determining the frequency bands corresponding to the feed points connected with various ports by testing in advance, and then establishing the correspondences between the frequency bands and the feed points.
  • the step of determining the target feed points to be connected with the metal antennas according to the frequency bands includes: searching the feed points corresponding to the frequency bands, and adopting the feed points as the target feed points to be connected with the metal antennas.
  • a feed point may correspond to one or more frequency bands, such as the frequency band 1800 MHz and the frequency band 1900 MHz correspond to the same frequency band; the correspondences between the frequency bands and the feed points can be determined according to actual requirements and test results, but this is not limited to the embodiment of the present disclosures.
  • Step 205 Switching to the target feed points to be connected, configuring electrical lengths of the metal antennas according to the target feed points, so as to receive and send radio-frequency signals.
  • electric switches of the mobile devices include a plurality of ports, and each port is connected with a feed point.
  • the electric switches are equivalent to feed point switches, called switches for short.
  • Which frequency band the mobile devices work at is controlled by the basebands of the mobile device, the feed point switches can be switched to the best feed points according to the testing results of the antennas obtained in advance.
  • the mobile devices in order to achieve the performance requirements, can be switched to different ports via the electric switches, so as to be connected with different feed points.
  • the mobile devices can configure different connection feed points of the metal antennas, wherein the electrical lengths corresponding to various feed points are different.
  • the mobile devices can configure the electrical lengths of the metal antennas according to the target feed points, so that the antennas of the mobile antennas can achieve the sizes required by signal (i.e. radio frequency) radiation at various frequency bands, thereby receiving or sending the radio frequency signals.
  • the mobile devices can configure three feed points.
  • a feed point switching diagram according to a first embodiment of the present disclosure is shown in FIG. 3 .
  • the part 301 is the metal back case
  • the part 302 is the feed point switch
  • the part 303 is the connection part.
  • a schematic diagram of switching feed points according to a first embodiment of the present disclosure is shown in FIG. 4 .
  • the radio-frequency signal is called radio frequency (RF) for short, understood as an electromagnetic wave radiated to space.
  • the feed point Fed1 corresponds to the frequency band 900 MHz
  • the feed point Fed2 corresponds to the frequency band 1800 MHz
  • the feed point Fed3 corresponds to the frequency band 250,000 MHz.
  • the mobile devices can configure on the bottom radio-frequency drive: when the radio-frequency signal works at the frequency band 900 MHz, the feed point switch is switched to the feed point Fed1; when the radio-frequency signal works at the frequency band 1800 MHz, the feed point switch is switched to the feed point Fed2: when the radio-frequency signal works at the frequency band 2500 MHz, the feed point switch is switched to the feed point Fed3.
  • the step of switching to the target feed points includes:
  • the step of configuring the electrical lengths of the metal antennas according to the target feed points includes: adopting the electrical lengths corresponding to the target feed points as the electrical lengths of the metal antennas, and then configuring the recitation wavelengths of the metal antennas.
  • the positions on the all-metal back case where the radio-frequency signals are fed can be changed by switching the feed points of the antennas, namely changing the electrical lengths of the antennas, so that the metal antennas can achieve the sizes required by the signal radiation at various frequency bands, thereby receiving or sending the radio-frequency signals at different frequency bands, increasing the bandwidths of the antennas while improving the efficiency of the antennas, thus achieving the purpose of optimizing the performances of the antenna.
  • FIG. 5 A step flow chart of an antenna-based processing method according to a first embodiment of the present disclosure is shown in FIG. 5 .
  • the antenna-based processing method specifically includes:
  • Step 501 Determining the frequency bands corresponding to the feed points connected with various ports by testing in advance, and establishing correspondences between the frequency bands and the feed points.
  • the mobile devices can determine the radiation capacity the feed points connected with various ports of the feed point switches at the various frequency bands can be determined by testing, thereby determining the feed points with the best radiation capacity corresponding to various frequency bands.
  • the feed points with the best radiation capacity are configured as the target feed points at the frequency bands, namely establishing the correspondences (equivalent to antenna test results) between the frequency points of the feed points; thus the metal antennas can achieve the electrical lengths required by the signal radiation at various frequency bands by switching the feed points, the efficiency of the antennas is improved, and the purpose of optimizing the performances of the antennas is achieved.
  • Step 503 Monitoring network signals of mobile devices to determine frequency bands occupied by the network signals.
  • Step 505 Searching the feeding points corresponding to the frequency bands, and adopting the feed points as the target feed points to be connected with the metal antennas.
  • the feed points corresponding to the occupied frequency bands can be determined by way of searching the correspondences between the frequency bands and the feed points, and the determined feed points can be adopted as the target feed points to be connected with the metal antennas.
  • Step 507 Determining target ports corresponding to the target feed points.
  • Step 509 Switching a switch to the target ports to be connected, and then connecting the target feed points via the target ports.
  • various ports of the switches of the mobile devices are separately connected with the feed points of the antennas.
  • Each port is connected with a feed point of the antennas, namely there are as many feed points of the antennas as there are ports of the switch: for example, if there are three antenna feed points, the switch has three ports; if there are four antenna feed points, the switch has four ports; if there are five antenna feed points, the switch has five ports, and so on, which is not limited to the embodiment of the present disclosure.
  • the ports of the switch to be connected with the target feed points can be determined as the target ports.
  • the mobile devices can be connected to the target feed points by switching the switch to the target ports, namely switching the switch to the best feed points according to the antenna test results obtained in advance. Taking that the switch of the mobile device has three ports as an example, as shown in FIG. 3 , the first port is connected to the feed point Fed1, the second port is connected to the feed point Fed2, and the third port is connected to the feed point Fed3.
  • the radio-frequency signal works at the frequency band 900 MHz
  • the switch is switched to the first port (equivalent to the target port) connected to the target feed point Fed1, namely the target feed point Fed1 can be connected via the target port; thus the antennas of the mobile devices can achieve the sizes required by the signal radiation at the frequency band 900 MHz, the efficiency of the antennas is guaranteed, and the performances of the antennas are optimized.
  • Step 511 Adopting the electrical lengths corresponding to the target feed points as the electrical lengths of the metal antennas, and then configuring the radiation wavelengths of the metal antennas, so as to receive and send the radio-frequency signals.
  • the method further includes a step of determining the electrical lengths of the feed points: acquiring the physical lengths of the metal antennas of the mobile devices; determining the electrical lengths of the feeding points according to the radiation wavelengths of various feed points and the physical lengths of the metal antennas.
  • the radiation frequencies of the radio-frequency signals at the frequency bands can be determined according to the frequency bands occupied by the network signals, thereby determining the radiated electromagnetic wavelengths at the frequency bands.
  • the radiation wavelengths corresponding to various feed points can be determined according to the correspondences between the feed points and the frequency bands as well as the radiated electromagnetic wavelengths at various frequency bands.
  • the electrical lengths of the antennas are ratios of the physical sizes to the radiated electromagnetic wavelengths of the antennas.
  • the electrical lengths of various feed points can be determined according to the acquired physical lengths of the metal antennas of the mobile devices, the radiation wavelengths corresponding to various feed points and the physical lengths of the metal antennas of the mobile devices.
  • the mobile devices After being connected to the target feed points, the mobile devices can receive or send the radio-frequency signals via the target feed points.
  • the electrical lengths corresponding to the target feed points can be adopted as the electrical lengths of the metal antennas
  • the radiation wavelengths of the metal antennas can be configured according to the electrical lengths and the physical lengths of the antennas
  • the radio-frequency signals can be received or sent according to the radiation wavelengths (or radiation frequencies).
  • the positions on the all-metal back case where the radio-frequency signals are fed can be identified by switching the feed points of the antennas; thus the all-metal antennas of the mobile devices can achieve the sizes required by the radiation at various frequency bands, the bandwidths of the antennas are increased, and the efficiency of the all-metal antennas is improved.
  • the purpose of optimizing the performances of the all-metal antennas of the mobile devices can be achieved by switching the feed points connected to the antennas, and realizability is high.
  • FIG. 6 A structure diagram of an antenna-based processing device according to a first embodiment of the present disclosure is shown in FIG. 6 .
  • the antenna-based processing device specifically includes the following modules:
  • the antenna-based processing device specifically includes:
  • the switching module 705 includes the following submodule:
  • the antenna-based processing device further includes a test module 707 .
  • the test module 707 is configured to determine the frequency bands corresponding to the feed points connected with various ports by testing in advance, and establish the correspondences between the frequency bands and the feed points; correspondingly, a target feed point determining module 703 is configured to search the feeding points corresponding to the frequency bands, and adopt the feed points as the target feed points to be connected with the metal antennas.
  • the antenna-based processing device further includes an antenna length acquiring module 709 and a feed point electric length determining module 711 ,
  • the description is simple, and relevance is referred to the description of the method embodiment.
  • Each of devices according to the embodiments of the disclosure can be implemented by hardware, or implemented by software modules operating on one or more processors, or implemented by the combination thereof.
  • a person skilled in the art should understand that, in practice, a microprocessor or a digital signal processor (DSP) may be used to realize some or all of the functions of some or all of the modules in the device according to the embodiments of the disclosure.
  • the disclosure may further be implemented as device program (for example, computer program and computer program product) for executing some or all of the methods as described herein.
  • Such program for implementing the disclosure may be stored in the computer readable medium, or have a form of one or more signals. Such a signal may be downloaded from the internet websites, or be provided in carrier, or be provided in other manners.
  • FIG. 8 illustrates a block diagram of a mobile device for executing the method according the disclosure.
  • the mobile device includes a processor 810 and a computer program product or a computer readable medium in form of a memory 820 .
  • the memory 820 could be electronic memories such as flash memory, EEPROM (Electrically Erasable Programmable Read—Only Memory), EPROM, hard disk or ROM.
  • the memory 820 has a memory space 830 for executing program codes 831 of any steps in the above methods.
  • the memory space 830 for program codes may include respective program codes 831 for implementing the respective steps in the method as mentioned above. These program codes may be read from and/or be written into one or more computer program products.
  • These computer program products include program code carriers such as hard disk, compact disk (CD), memory card or floppy disk. These computer program products are usually the portable or stable memory cells as shown in reference FIG. 9 .
  • the memory cells may be provided with memory sections, memory spaces, etc., similar to the memory 820 of the server as shown in FIG. 8 .
  • the program codes may be compressed for example in an appropriate form.
  • the memory cell includes computer readable codes 831 ′ which can be read for example by processors 810 . When these codes are operated on the server, the server may execute respective steps in the method as described above.
  • an embodiment means that the specific features, structures or performances described in combination with the embodiment(s) would be included in at least one embodiment of the disclosure.
  • the wording “in an embodiment” herein may not necessarily refer to the same embodiment.
  • the computer program instructions can also be saved on computer readable memories which can lead the computers or other programmable data processing terminals to work in special manners, so that the instructions saved on the computer readable memories can generate products comprising instruction devices, the instruction devices can achieve the functions specified in a flow or multiple flows in the flow chart and/or a block or multiple blocks in the block diagram.
  • the computer program instructions can also be loaded on the computers or other programmable data processing terminals, so that a series of operations can be carried out in the computers or other programmable data processing terminals so as to generate the processes implemented by the computers: thus the instructions implemented on the computers or other programmable data processing terminals can be used in the steps of achieving the functions specified in a flow or multiple flows in the flow chart and/or a block or multiple blocks in the block diagram.
US15/249,233 2015-11-06 2016-08-26 Antenna-based processing method and antenna-based processing device Abandoned US20170135103A1 (en)

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